On a quantum treatment of charge equilibration in damped nuclear collisions

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Abstract
Proposes a quantum treatment of charge asymmetry as a collective degree of freedom in the frame of the Heisenberg representation. Using a form linear in the charge asymmetry for the interaction between collective and intrinsic degrees of freedom, the author obtains for the first- and second-order moments corresponding to the charge asymmetry a system of coupled equations similar to those reported by Hofmann et al. (1979) using a master equation. The equation of motion for the mean value of the collective variable ( eta z) turns out to be the well known differential equation for a driven damped harmonic oscillator. Finally, explicit expressions for ( eta z) and the corresponding variance chi including quantum effects are obtained.